| Official Name: | Peto |
| Settlement Type: | Municipality |
| Pushpin Map: | Mexico |
| Pushpin Label Position: | left |
| Subdivision Type: | Country |
| Subdivision Name: | Mexico |
| Subdivision Type1: | State |
| Subdivision Name1: | Yucatán |
| Government Type: | PRI 2007-2010 |
| Leader Title: | Municipal President |
| Leader Name: | Jose Vicente Dominguez Canto[1] |
| Area Total Km2: | 3136 |
| Population As Of: | 2005 [2] [3] |
| Population Total: | 22386 |
| Population Blank1 Title: | Demonym |
| Timezone: | Central Standard Time |
| Utc Offset: | -6 |
| Timezone Dst: | Central Daylight Time |
| Utc Offset Dst: | -5 |
| Coordinates: | 20.1167°N -144°W |
| Elevation M: | 35 |
| Blank Name Sec1: | INEGI Code |
| Blank Info Sec1: | 058 |
| Blank Name Sec2: | Major Airport |
| Blank Info Sec2: | Merida (Manuel Crescencio Rejón) International Airport |
| Blank1 Name Sec2: | IATA Code |
| Blank1 Info Sec2: | MID |
| Blank2 Name Sec2: | ICAO Code |
| Blank2 Info Sec2: | MMMD |
Peto Municipality is a municipality in the Mexican state of Yucatán. It has a municipal seat of the same name and is located in the centre-south portion of the Yucatán, 135 km to the south-east of state capital Mérida.
The municipality is made up of 74 communities, the most important include the following:
City population (2005): 18,177
City Founded: 1549
Annual fairs: 29 April to 3 May; 26 December to 2 January
Media: XEPET-AM, a government-run indigenous community radio station.